Was there a ‘before’ the Big Bang? Jim Al-Khalili on the mind-bogglingness of time
Time keeps getting away from us. It has a fraught relationship with our subjective experience — sometimes slowing down or dragging on; and at other
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Time keeps getting away from us. It has a fraught relationship with our subjective experience — sometimes slowing down or dragging on; and at other
In a new study, scientists reared lab mice that were missing sections of their brains and then replaced the missing tissue with human cells. The
In an extraordinary first-of-its-kind video, researchers have documented a humpback whale mom grieving her stillborn calf. The footage was recorded off the coast of southeastern
Removing a type of immune cell from lymph nodes in mice reduced brain inflammation and cell damage in a model of Alzheimer’s-like disease.
Anak Krakatau erupts ash and volcanic gases in this image acquired with the OLI (Operational Land Imager) on Landsat 8 on Sept. 5, 2026.
Around 700 million years ago, a group of organisms resembling little more than glowing, gelatinous blobs split off from the rest of the animals, forming
A researcher was perusing a collection of old Egyptian texts in a Dutch library when he stumbled upon a torn piece of parchment containing a
Tyrannosaurus rex was a hottie with a body temperature similar to our own, according to a new analysis of their teeth. The finding supports the
The long-lost words of ancient philosophers may finally be revealed nearly 2,000 years after the violent eruption of Mount Vesuvius scorched and buried them, thanks
Scientists have grown human brain tissue to fill most of a mouse’s cortex, creating a new model for studying brain disease and neural circuits.
A cryptic announcement raises questions about the type of weapons and how they could be used. We talked to an expert about the consequences.
The patient: A 61-year-old man in India The symptoms: The man went to an emergency department after fainting. He had felt nauseous just before the
BERLIN — Lenovo has unveiled a concept laptop that uses high-speed air to silently cool its processor, instead of conventional fans or heat sinks. The
Climate change is often discussed in terms of rising temperatures, extreme weather and environmental loss. But there’s another consequence that can be harder to see: